Home / 66,407.04-91,640.46-36,192.56

Finding the Fourth Proportional to 66,407.04, 91,640.46 and 36,192.56

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Solution

The fourth proportional to 66,407.04, 91,640.46 and 36,192.56 is: 49,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407.04 : 91,640.46 = 36,192.56 : x
  2. Step 2: Convert to fraction form
    66,407.04/91,640.46 = 36,192.56/x
  3. Step 3: Cross multiply
    66,407.04x = 91,640.46 × 36,192.56
  4. Step 4: Simplify right side
    66,407.04x = 3,316,702,524.50
  5. Step 5: Solve for x
    x = 3,316,702,524.50/66,407.04
  6. Step 6: Final answer
    x = 49,945.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.